<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
request.setCharacterEncoding("UTF-8"); 
String content=(String)request.getParameter("content");
System.out.println("session1:"+content);
session.setAttribute("flag", content);
%>
<jsp:forward page="c.jsp"></jsp:forward>
<% 

%>

</body>
</html>